APA-referens (7:e uppl.)

Northrop, H. D., & Banks, N. H. (1893). The world's fair as seen in one hundred days: Containing a complete history of the World's Columbian Exposition. Ariel Book Co..

Chicago-referens (17:e uppl.)

Northrop, Henry Davenport, och Nancy Huston Banks. The World's Fair as Seen in One Hundred Days: Containing a Complete History of the World's Columbian Exposition. Philadelphia: Ariel Book Co., 1893.

MLA-referens (8:e uppl.)

Northrop, Henry Davenport, och Nancy Huston Banks. The World's Fair as Seen in One Hundred Days: Containing a Complete History of the World's Columbian Exposition. Ariel Book Co., 1893.